Ultimate Brownies Overload

Cookie Layer:
1/2 c. butter, softened
1/2 c. brown sugar, packed
1/4 c. sugar
 1 egg
1 t. vanilla
1 1/4 c. SR flour
1 c. chocolate chips (semi sweet, milk, etc..your choice)
Brownie Layer:
1/2 c. + 2 T. butter, melted
1 c. sugar
2 eggs
2 t. vanilla
1/2 c. chocolate chips, melted
3/4 c. SR flour
1/4 c. cocoa powder
Oreo Layer:
20 Oreo cookies, divided, any flavor, your choice
1/2 c. chocolate chips, your choice

Preheat oven to 350 degrees. Line 9x9 pan with parchment paper. Make cookie layer, adding chocolate chips last. Press into bottom of pan. Place 16 Oreos on top. Make brownie layer. Pour on top of Oreos. Crush remaining Oreos. Sprinkle on top of brownies and add additional chocolate chips, toffee bits, etc..if desired. Bake 50-55 minutes. Cool completely. Remove from pan and slice into bars. Serve with vanilla ice cream if desired. So Rich!